<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a href="#" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14">{{course.subjectLevelOne}}</a>
        \
        <span class="c-333 fsize14">{{course.subjectLevelTwo}}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img :src="course.cover" :alt="course.title" class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{course.title}}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{course.price}}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{course.teacherName}}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#">收藏</a>
              </span>
            </section>
            <section class="c-attr-mt">
              <template v-if="isPay || course.price == 0 ">
                <a href="#" title="立即观看" class="comm-btn c-btn-3">立即观看</a>
              </template>
              
              <template v-else>`109`
                <a href="#" @click="createOrders()" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
              </template>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol clearfix">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{course.buyCount}}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{course.lessonNum}}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{course.viewCount}}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" class="current" title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <p 8v-html="course.description">
                        {{course.description}}
                      </p>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 课程章节目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterList" v-bind:key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                            </a>
                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.children" v-bind:key="video.id">
                                <a :href="'/player/' + video.videoSourceId" target="_blank" :title="video.title">
                                  <span class="fr" v-if="!video.isFree">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{video.title}}
                                </a>
                              </li>
                            </ol>
                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a :href="'/teacher/'+course.teacherId" target="_blank">
                        <img :src="course.avatar" width="50" height="50" alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" :href="'/teacher/'+course.teacherId"
                        target="_blank">{{course.teacherName}}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{course.intro}}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->

    <div class="mt50 commentHtml">
      <div>
        <h6 class="c-c-content c-infor-title" id="i-art-comment">
          <span class="commentTitle">课程评论</span>
        </h6>
        <section class="lh-bj-list pr mt20 replyhtml">
          <ul>
            <li class="unBr">
              <aside class="noter-pic">
                <img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
              </aside>
              <div class="of">
                <section class="n-reply-wrap">
                  <fieldset>
                    <textarea name="" v-model="comment.content" placeholder="输入您要评论的文字" id="commentContent"></textarea>
                  </fieldset>
                  <p class="of mt5 tar pl10 pr10">
                    <span class="fl "><tt class="c-red commentContentmeg" style="display: none;"></tt></span>
                    <input type="button" @click="addComment()" value="回复" class="lh-reply-btn">
                  </p>
                </section>
              </div>
            </li>
          </ul>
        </section>
        <section class="">
          <section class="question-list lh-bj-list pr">
            <ul class="pr10">
              <li v-for="(comment,index) in data.info" v-bind:key="index">
                <aside class="noter-pic">
                  <img width="50" height="50" class="picImg" :src="comment.avatar">
                </aside>
                <div class="of">
                  <span class="fl">
                    <font class="fsize12 c-blue">
                      {{comment.nickname}}</font>
                    <font class="fsize12 c-999 ml5">评论：</font>
                  </span>
                </div>
                <div class="noter-txt mt5">
                  <p>{{comment.content}}</p>
                </div>
                <div class="of mt5">
                  <span class="fr">
                    <font class="fsize12 c-999ml5">{{comment.gmtCreate}}</font>
                  </span>
                </div>
              </li>
            </ul>
          </section>
        </section>
        <!-- 公共分页 开始 -->
        <div class="paging">
          <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
          <a :class="{undisable: !data.hasPrevious}" href="#" title="首页" @click.prevent="gotoPage(1)">首</a>
          <a :class="{undisable: !data.hasPrevious}" href="#" title="前一页"
            @click.prevent="gotoPage(data.current-1)">&lt;</a>
          <a v-for="page in data.pages" :key="page" :class="{current: data.current == page, undisable: data.current ==
          page}" :title="'第'+page+'页'" href="#" @click.prevent="gotoPage(page)">{{ page }}</a>
          <a :class="{undisable: !data.hasNext}" href="#" title="后一页" @click.prevent="gotoPage(data.current+1)">&gt;</a>
          <a :class="{undisable: !data.hasNext}" href="#" title="末页" @click.prevent="gotoPage(data.pages)">末</a>
          <div class="clear" />
        </div>
        <!-- 公共分页 结束 -->
      </div>
    </div>
  </div>
</template>

<script>
import course from "@/api/course"
import comment from "@/api/commonedu"

import orderApi from "@/api/order"
export default {

  asyncData({ params, error }) {
    return { courseId: params.id }
  },

  asyncData({ params, error }) {
    return course.getFrontCourseInfo(params.id).then(response => {
     
      return {
        course: response.data.data.course,
        chapterList: response.data.data.chapterList
      }
    })
  },

  data() {
    return {
      data: {},
      page: 1,
      limit: 4,
      total: 10,
      comment: {
        content: '',
        courseId: ''
      },
      // 订单No
      orderNo:"",
      isPay:false
      // courseInfo: {},
      // chapterVideoList: [],
      // isbuyCourse: false
    }
  },

  created() {
    // this.initCourseInfo()
    console.log('created:',this.course);
    this.initComment()
    this.getCourseOrderInfoByCourseId()
  },
  methods: {

    initComment() {
      comment.getPageList(this.page, this.limit, this.courseId).then(response => {
        console.log(response.data.data)
        this.data = response.data.data
      })
    },
    addComment() {
      this.comment.courseId = this.course.courseId
      this.comment.teacherId = this.course.teacherId
      comment.addComment(this.comment).then(response => {
        if (response.data.success) {
          this.comment.content = ''
        }
        this.initComment()
      })
    },
    gotoPage(page) {
      comment.getPageList(page, this.limit, this.courseId).then(response => {
        this.data = response.data.data
      })
    },
    // 创建订单
    createOrders(){
      orderApi.createOrder(this.course.id).then(res =>{
          this.orderNo = res.data.data.info
          console.log(this)
          this.$router.push({
            path:'/orders/' + this.orderNo
          })
      })
    },
    // 通过当前登录用户查询该用户是否支付改课程
    getCourseOrderInfoByCourseId(){
        orderApi.getCourseOrderInfoByCourseId(this.course.id).then(res =>{
          console.log("getCourseOrderInfoByCourseId#res:",res)
          this.isPay = res.data.data.info
        })
    }
  }
}
</script>